13213845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 25339392

約数和(自身を除く): 12125547

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 751, 765, 1035, 1173, 1955, 2253, 3519, 3755, 5865, 6759, 11265, 12767, 17273, 17595, 33795, 38301, 51819, 63835, 86365, 114903, 155457, 191505, 259095, 293641, 574515, 777285, 880923, 1468205, 2642769, 4404615, 13213845]

約数ペア:

[(1, 13213845), (3, 4404615), (5, 2642769), (9, 1468205), (15, 880923), (17, 777285), (23, 574515), (45, 293641), (51, 259095), (69, 191505), (85, 155457), (115, 114903), (153, 86365), (207, 63835), (255, 51819), (345, 38301), (391, 33795), (751, 17595), (765, 17273), (1035, 12767), (1173, 11265), (1955, 6759), (2253, 5865), (3519, 3755)]